#!/usr/bin/env python3
-## Call with "--help" for documentation.
+## See <https://www.ralfj.de/blog/2017/12/26/lets-encrypt.html> for documentation.
import argparse, configparser, itertools, stat, os, os.path, sys, subprocess, datetime
def make_backup(fname):
if os.path.exists(fname):
+ os.makedirs(config['dirs']['backups'], exist_ok = True)
backupname = os.path.basename(fname) + "." + str(datetime.date.today())
i = 0
while True:
file.write(csr)
try:
# call acme-tiny as a script
- acme_tiny = os.path.join(config['acme']['acme-tiny'], 'acme_tiny.py')
- signed_crt = subprocess.check_output(["python", acme_tiny, "--quiet", "--account-key", accountkey, "--csr", csrfilename, "--acme-dir", config['acme']['challenge-dir']])
+ acme_tiny = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'acme-tiny', 'acme_tiny.py')
+ signed_crt = subprocess.check_output(["python3", acme_tiny, "--quiet", "--account-key", accountkey, "--csr", csrfilename, "--acme-dir", config['acme']['challenge-dir']])
# save new certificate
make_backup(certfilename)
with open(certfilename, 'wb') as f:
# determine what to do
now = datetime.datetime.now()
key_age = now - key_mtime(live)
- cert_validity = cert_expiry(live) - now
need_new_key = key_age >= max_key_age
- need_new_cert = cert_validity <= renew_cert_time
+ if os.path.exists(certfile(live)):
+ cert_validity = cert_expiry(live) - now
+ need_new_cert = cert_validity <= renew_cert_time
+ else:
+ need_new_cert = True
if need_new_cert and key_age + renew_cert_time >= max_key_age:
# We are about to request a new certificate, and within <renew_cert_time>, we need a new key: Get the new key now
need_new_key = True